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Measures of Dispersion
Grade Level:
8
Subject:
Statistics
Topic:
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Objective:
1. Explain the purpose of measures of dispersion and the information they convey.
2. Compute and explain the index of qualitative variation (IQV), the range (R), the interquartile range (Q), the standard deviation (s), and the variance (s2).
3. Select an appropriate measure of dispersion and correctly calculate and interpret the statistic.
4. Describe and explain the mathematical characteristics of the standard deviation.
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